In this file photo, Akron Forensic Dental Surgeon Dr. Thomas Marshall, points out how the bite makes could have been made to the arm of Margo Prade. Akron Police Lt. Elizabeth Daugherty acts as the suspect, Assistant Prosecutor Alison McCarty acts as victim Margo Prade as Dr. Thomas Marshall holds up the model of teeth to show the bite positioning. (Akron Beacon Journal file photo)

Akron Forensic Dental Surgeon Dr. Thomas Marshall, points out the similarities between the bite photos taken of Margo Prade's arm and the sample dental impressions made Doug Prade using overlays on September 14, 1998. (Akron Beacon Journal file photo)